TutorialonGradeCenterOffline.pdfTutorial on working with grade center offlinehttps://www.york.cuny.edu/academics/academic-affairs/ctlet/acet/copy_of_blackboard/faculty/TutorialonGradeCenterOffline.pdf/viewhttps://www.york.cuny.edu/academics/academic-affairs/ctlet/acet/copy_of_blackboard/faculty/TutorialonGradeCenterOffline.pdf/@@download/image/dump_1.gif